|
1 package edu.umd.cs.findbugs;
2
3 import java.util.Iterator  ;
4 import java.util.NoSuchElementException ;
5
6 import junit.framework.Assert;
7 import junit.framework.TestCase;
8
9 public class BugInstanceTest extends TestCase {
10 static {
11 DetectorFactoryCollection.instance();
13 }
14
15 BugInstance b;
16
17 @Override
19 protected void setUp() throws Exception {
20 b = new BugInstance("NP_NULL_DEREF", Detector.NORMAL_PRIORITY);
21 b.setProperty("A", "a");
22 b.setProperty("B", "b");
23 b.setProperty("C", "c");
24 }
25
26 public void testPropertyIterator() {
27 checkPropertyIterator(b.propertyIterator(),
28 new String []{"A","B","C"}, new String []{"a","b","c"});
29 }
30
31 public void testRemoveThroughIterator1() {
32 removeThroughIterator(b.propertyIterator(), "A");
33 checkPropertyIterator(b.propertyIterator(), new String []{"B","C"}, new String []{"b","c"});
34 }
35
36 public void testRemoveThroughIterator2() {
37 removeThroughIterator(b.propertyIterator(), "B");
38 checkPropertyIterator(b.propertyIterator(), new String []{"A","C"}, new String []{"a","c"});
39 }
40
41 public void testRemoveThroughIterator3() {
42 removeThroughIterator(b.propertyIterator(), "C");
43 checkPropertyIterator(b.propertyIterator(), new String []{"A","B"}, new String []{"a","b"});
44 }
45
46 public void testIterateTooFar() {
47 Iterator <BugProperty> iter = b.propertyIterator();
48 get(iter);
49 get(iter);
50 get(iter);
51 noMore(iter);
52 }
53
54 public void testMultipleRemove() {
55 Iterator <BugProperty> iter = b.propertyIterator();
56 iter.next();
57 iter.remove();
58 try {
59 iter.remove();
60 Assert.assertTrue(false);
61 } catch (IllegalStateException e) {
62 }
64 }
65
66 public void testRemoveBeforeNext() {
67 Iterator <BugProperty> iter = b.propertyIterator();
68 try {
69 iter.remove();
70 Assert.assertTrue(false);
71 } catch (IllegalStateException e) {
72 }
74 }
75
76 public void testRemoveAndAdd() {
77 removeThroughIterator(b.propertyIterator(), "C");
78 b.setProperty("D", "d");
79 checkPropertyIterator(b.propertyIterator(),
80 new String []{"A","B","D"}, new String []{"a","b","d"});
81 b.setProperty("E", "e");
82 checkPropertyIterator(b.propertyIterator(),
83 new String []{"A","B","D","E"}, new String []{"a","b","d","e"});
84 }
85
86 public void testRemoveAll1() {
87 removeThroughIterator(b.propertyIterator(), "A");
88 checkPropertyIterator(b.propertyIterator(), new String []{"B","C"}, new String []{"b","c"});
89 removeThroughIterator(b.propertyIterator(), "B");
90 checkPropertyIterator(b.propertyIterator(), new String []{"C"}, new String []{"c"});
91 removeThroughIterator(b.propertyIterator(), "C");
92 checkPropertyIterator(b.propertyIterator(), new String [0], new String [0]);
93 }
94
95 private void get(Iterator <BugProperty> iter) {
96 try {
97 iter.next();
98 } catch (NoSuchElementException e) {
100 Assert.assertTrue(false);
101 }
102 }
103
104 private void noMore(Iterator <BugProperty> iter) {
105 try {
106 iter.next();
107 Assert.assertTrue(false);
108 } catch (NoSuchElementException e) {
109 }
111 }
112
113 private void checkPropertyIterator(Iterator <BugProperty> iter, String [] names, String [] values) {
114 if (names.length != values.length)
115 throw new IllegalArgumentException ();
116 for (int i = 0; i < names.length; ++i) {
117 Assert.assertTrue(iter.hasNext());
118 String name = names[i];
119 String value = values[i];
120 checkProperty(iter.next(), name, value);
121 }
122 Assert.assertFalse(iter.hasNext());
123 }
124
125 private void checkProperty(BugProperty property, String name, String value) {
126 Assert.assertEquals(property.getName(), name);
127 Assert.assertEquals(property.getValue(), value);
128 }
129
130 private void removeThroughIterator(Iterator <BugProperty> iter, String name) {
131 while (iter.hasNext()) {
132 BugProperty prop = iter.next();
133 if (prop.getName().equals(name))
134 iter.remove();
135 }
136 }
137 }
138 |
Popular Tags |
Java API By Example, From Geeks To Geeks.